net: hns: Add missing \n to end of dev_err messages, tidy up text

Trival fix, dev_err messages are missing a \n, so add it. Also
fix grammer, spelling mistake and add white spaces to various
error messages.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c

@@ -547,7 +547,7 @@ int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
 	struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 
 	if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
-		dev_err(mac_cb->dev, "enable autoneg is not allowed!");
+		dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
 		return -ENOTSUPP;
 	}
 
@@ -571,7 +571,7 @@ int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
 
 	if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
 		if (is_ver1 && (tx_en || rx_en)) {
-			dev_err(mac_cb->dev, "macv1 cann't enable tx/rx_pause!");
+			dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
 			return -EINVAL;
 		}
 	}